1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
import io
import os
import sys
import tempfile
from unittest import skipIf
from django.core.files.base import ContentFile
from django.http import FileResponse
from django.test import SimpleTestCase
class FileResponseTests(SimpleTestCase):
def test_file_from_disk_response(self):
response = FileResponse(open(__file__, 'rb'))
self.assertEqual(response['Content-Length'], str(os.path.getsize(__file__)))
self.assertIn(response['Content-Type'], ['text/x-python', 'text/plain'])
self.assertEqual(response['Content-Disposition'], 'inline; filename="test_fileresponse.py"')
response.close()
def test_file_from_buffer_response(self):
response = FileResponse(io.BytesIO(b'binary content'))
self.assertEqual(response['Content-Length'], '14')
self.assertEqual(response['Content-Type'], 'application/octet-stream')
self.assertFalse(response.has_header('Content-Disposition'))
self.assertEqual(list(response), [b'binary content'])
def test_file_from_buffer_unnamed_attachment(self):
response = FileResponse(io.BytesIO(b'binary content'), as_attachment=True)
self.assertEqual(response['Content-Length'], '14')
self.assertEqual(response['Content-Type'], 'application/octet-stream')
self.assertEqual(response['Content-Disposition'], 'attachment')
self.assertEqual(list(response), [b'binary content'])
@skipIf(sys.platform == 'win32', "Named pipes are Unix-only.")
def test_file_from_named_pipe_response(self):
with tempfile.TemporaryDirectory() as temp_dir:
pipe_file = os.path.join(temp_dir, 'named_pipe')
os.mkfifo(pipe_file)
pipe_for_read = os.open(pipe_file, os.O_RDONLY | os.O_NONBLOCK)
with open(pipe_file, 'wb') as pipe_for_write:
pipe_for_write.write(b'binary content')
response = FileResponse(os.fdopen(pipe_for_read, mode='rb'))
self.assertEqual(list(response), [b'binary content'])
response.close()
self.assertFalse(response.has_header('Content-Length'))
def test_file_from_disk_as_attachment(self):
response = FileResponse(open(__file__, 'rb'), as_attachment=True)
self.assertEqual(response['Content-Length'], str(os.path.getsize(__file__)))
self.assertIn(response['Content-Type'], ['text/x-python', 'text/plain'])
self.assertEqual(response['Content-Disposition'], 'attachment; filename="test_fileresponse.py"')
response.close()
def test_compressed_response(self):
"""
If compressed responses are served with the uncompressed Content-Type
and a compression Content-Encoding, browsers might automatically
uncompress the file, which is most probably not wanted.
"""
test_tuples = (
('.tar.gz', 'application/gzip'),
('.tar.bz2', 'application/x-bzip'),
('.tar.xz', 'application/x-xz'),
)
for extension, mimetype in test_tuples:
with self.subTest(ext=extension):
with tempfile.NamedTemporaryFile(suffix=extension) as tmp:
response = FileResponse(tmp)
self.assertEqual(response['Content-Type'], mimetype)
self.assertFalse(response.has_header('Content-Encoding'))
def test_unicode_attachment(self):
response = FileResponse(
ContentFile(b'binary content', name="祝您平安.odt"), as_attachment=True,
content_type='application/vnd.oasis.opendocument.text',
)
self.assertEqual(response['Content-Type'], 'application/vnd.oasis.opendocument.text')
self.assertEqual(
response['Content-Disposition'],
"attachment; filename*=utf-8''%E7%A5%9D%E6%82%A8%E5%B9%B3%E5%AE%89.odt"
)
def test_file_to_stream_closes_response(self):
# Closing file_to_stream calls FileResponse.close(), even when
# file-like object doesn't have a close() method.
class FileLike:
def read(self):
pass
class FileLikeWithClose(FileLike):
def __init__(self):
self.closed = False
def close(self):
self.closed = True
for filelike_cls in (FileLike, FileLikeWithClose):
with self.subTest(filelike_cls=filelike_cls.__name__):
filelike = filelike_cls()
response = FileResponse(filelike)
self.assertFalse(response.closed)
# Object with close() is added to the list of closable.
if hasattr(filelike, 'closed'):
self.assertEqual(response._closable_objects, [filelike])
else:
self.assertEqual(response._closable_objects, [])
file_to_stream = response.file_to_stream
file_to_stream.close()
if hasattr(filelike, 'closed'):
self.assertTrue(filelike.closed)
self.assertTrue(response.closed)
def test_file_to_stream_closes_response_on_error(self):
# Closing file_to_stream calls FileResponse.close(), even when
# closing file-like raises exceptions.
class FileLikeWithRaisingClose:
def read(self):
pass
def close(self):
raise RuntimeError()
filelike = FileLikeWithRaisingClose()
response = FileResponse(filelike)
self.assertFalse(response.closed)
self.assertEqual(response._closable_objects, [filelike])
file_to_stream = response.file_to_stream
with self.assertRaises(RuntimeError):
file_to_stream.close()
self.assertTrue(response.closed)
|
